$depend =~ s/^([@\+]+)// and $flags = $1;
my $condition = $parent_condition;
+ $depend = $2 if $depend =~ /^(.+):(.+)$/ and $dep->{$1} eq 'select';
+
next if $condition eq $depend;
next if $seen->{"$parent_condition:$depend"};
next if $seen->{":$depend"};